19995896

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19681}}^1$

素因数の和:19814

約数の個数: 16

約数和(自身を含む): 37789440

約数和(自身を除く): 17793544

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19681, 39362, 78724, 157448, 2499487, 4998974, 9997948, 19995896]

約数ペア:

[(1, 19995896), (2, 9997948), (4, 4998974), (8, 2499487), (127, 157448), (254, 78724), (508, 39362), (1016, 19681)]